CN103803666A - Heavy metal wastewater treatment disinfectant - Google Patents
Heavy metal wastewater treatment disinfectant Download PDFInfo
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- CN103803666A CN103803666A CN201410045599.0A CN201410045599A CN103803666A CN 103803666 A CN103803666 A CN 103803666A CN 201410045599 A CN201410045599 A CN 201410045599A CN 103803666 A CN103803666 A CN 103803666A
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- heavy metal
- wastewater treatment
- metal wastewater
- ferrous sulfate
- calcium carbonate
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Abstract
The invention discloses a heavy metal wastewater treatment disinfectant. The heavy metal wastewater treatment disinfectant is prepared from the following raw materials in percentage by weight: 30-50% of barium sulfide, 10-30% of calcium carbonate, 10-30% of calcium hydroxide and 20-30% of ferrous sulfate. According to the heavy metal wastewater treatment disinfectant provided by the invention, the problems that similar existing products are insufficient and the heavy metal wastewater treatment is difficult are solved, the sources of the raw materials are wide, and the costs of the raw materials are low; when the heavy metal wastewater treatment disinfectant is applied to the heavy metal wastewater treatment, the use is convenient, meanwhile, the cost is low, the pollution caused by the heavy metal wastewater can be effectively solved, the discharge water of enterprises is helped to meet a national discharged standard, and the environmental pollution is avoided.
Description
Technical field
The present invention relates to a kind of heavy metal containing wastewater treatment medicament, belong to field of waste water treatment.
Background technology
Heavy metal wastewater thereby, heavy metal wastewater thereby refers to the waste water containing heavy metal of discharging in the Industrial processes such as mining and metallurgy, machinofacture, chemical industry, electronics, instrument.Heavy metal (as cupric, cadmium, nickel, mercury, zinc, chromium etc.) waste water is the most serious to an environmental pollution and the mankind endangered to one of maximum trade effluent, and its water quality and quantity is relevant with production technique.
Heavy metal in waste water generally can not decompose destruction, can only shift its location and change its Material Form.Common process for treating heavy-metal waste water has chemical precipitation method, membrane concentration method and resin adsorption method.After chemical precipitation is processed, the heavy metal in waste water is transformed into insoluble chemical compound and precipitates from the ionic condition of dissolving, and transfers in mud from water; Membrane concentration concentrates in a small amount of water most total metal ion, and the heavy metal in enriched product can be recycled; After ion exchange treatment, the metal ion in waste water is transferred on ion exchange resin, after regeneration, transfers in regeneration waste liquid again from ion exchange resin, then recycles.
Along with the increasingly stringent of discharging standards, directly utilize membrane concentration and resins exchange technical finesse heavy metal wastewater thereby too high to discharge costs up to standard, all generally to utilize combination technique, utilize membrane concentration and resins exchange technology to reclaim after most of heavy metal, add again medicament, utilize chemical precipitation method to process up to standard.At present, the domestic medicament that is used in heavy metal containing wastewater treatment and field of purification is a lot, but the cost of making is higher, and actual motion operation is more loaded down with trivial details.
Summary of the invention
For the deficiencies in the prior art part, the invention provides a kind of raw material sources extensively and low price, the heavy metal containing wastewater treatment medicament that time easy to use, processing cost is cheap.
The invention provides a kind of heavy metal containing wastewater treatment medicament, this water treatment agent comprises barium sulphide, calcium carbonate, calcium hydroxide and ferrous sulfate, wherein, each component obtains by following weight proportion: barium sulphide 30 ~ 50%, calcium carbonate 10 ~ 30%, calcium hydroxide 10 ~ 30%, ferrous sulfate 20 ~ 30%.
A kind of heavy metal containing wastewater treatment medicament as above, one preferably each composition weight proportioning is as follows: barium sulphide 40%, calcium carbonate 15%, calcium hydroxide 20%, ferrous sulfate 25%.
A kind of heavy metal containing wastewater treatment medicament as above, its preparation method is that barium sulphide after crushed, calcium carbonate, calcium hydroxide powder and the ferrous sulfate of getting formulation weight mix, and stirs, pack is sealed to finished product.
Heavy metal containing wastewater treatment medicament provided by the invention is as follows for the principle of water treatment:
1. the reduction of ferrous sulfate and throwing out
Owing to containing chromium in a lot of heavy metal wastewater therebies, and these chromium often exist with chromic form, can not directly remove, need first hexavalent chrome reduction to be become to trivalent chromium, therefore contain ferrous sulfate in medicament of the present invention, ferrous ion can become trivalent chromium by hexavalent chrome reduction, and trivalent chromium is precipitated removal under alkaline condition.
In addition, can there is intense hydrolysis by dissolving and absorbing water in iron ion, and there are various polyreactions in hydrolysis simultaneously, generation has the light based polyalcohol of multinuclear of longer linear structure, as Fe2 (OH) 2, Fe3 (OH) 4, Fe5 (OH) 8, Fe6 (OH) 9 etc.These iron content can effectively reduce or eliminate the hair current potential of colloid in solution through base complex, by charge neutrality, the effect of sweeping of the volume of adsorption bridging and flco makes coacervation of colloid, and forms the Fe that the polymerization degree is very high (OH) 3 gels, has stronger absorption, wadding bridge, coagulative precipitation performance.
2. the adjusting pH effect of calcium carbonate and calcium hydroxide
Hydroxide ion and carbanion can with waste water in hydrogen ion reaction, improve the pH of waste water, due to the rising of pH, part heavy metal ion can produce precipitation and be removed, as Cu (OH)
2, Ni (OH)
2, Zn (OH)
2and Cr (OH)
3deng.
3. the precipitating action of barium sulphide
Because the dissolving grade constant of metallic sulfide is less than precipitate metal hydroxides, more easily precipitation, therefore add barium sulphide can further remove the heavy metal ion in waste water.
It is large that heavy metal containing wastewater treatment medicament provided by the invention has solved heavy metal containing wastewater treatment difficulty, processing cost is higher, and the problem that actual motion operation is more loaded down with trivial details, provides a kind of raw material sources extensively and low price, the heavy metal containing wastewater treatment medicament that time easy to use, processing cost is cheap.
Embodiment
Below in conjunction with embodiment, the present invention is done to further specific descriptions.
Embodiment 1
A kind of heavy metal containing wastewater treatment medicament, comprises barium sulphide, calcium carbonate, calcium hydroxide and ferrous sulfate, and each component obtains by following weight proportion: barium sulphide 30%, calcium carbonate 10%, calcium hydroxide 30%, ferrous sulfate 30%.Its preparation method is that barium sulphide after crushed, calcium carbonate, calcium hydroxide powder and the ferrous sulfate of getting formulation weight mix successively, stirs, and pack is sealed to finished product.
Embodiment 2
A kind of heavy metal containing wastewater treatment medicament, obtains by following mixed raw material is by weight standby: barium sulphide 50%, calcium carbonate 20%, calcium hydroxide 10%, ferrous sulfate 20%.
Embodiment 3
A kind of heavy metal containing wastewater treatment medicament, obtains by following mixed raw material is by weight standby: barium sulphide 40%, calcium carbonate 30%, calcium hydroxide 10%, ferrous sulfate 20%.
Embodiment 4
A kind of heavy metal containing wastewater treatment medicament, obtains by following mixed raw material is by weight standby: barium sulphide 40%, calcium carbonate 15%, calcium hydroxide 20%, ferrous sulfate 25%.
Claims (3)
1. a heavy metal containing wastewater treatment medicament, is characterized in that being obtained by the preparation of raw material by following weight proportion: barium sulphide 30 ~ 50%, calcium carbonate 10 ~ 30%, calcium hydroxide 10 ~ 30%, ferrous sulfate 20 ~ 30%.
2. a kind of heavy metal containing wastewater treatment medicament according to claim 1, is characterized in that being obtained by the preparation of raw material by following weight proportion: barium sulphide 40%, calcium carbonate 15%, calcium hydroxide 20%, ferrous sulfate 25%.
3. a kind of heavy metal containing wastewater treatment medicament according to claim 1 and 2, is characterized in that getting described in getting that barium sulphide after crushed, calcium carbonate, calcium hydroxide powder and the ferrous sulfate of formulation weight mixes, and stirs, and pack is sealed to finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410045599.0A CN103803666A (en) | 2014-02-08 | 2014-02-08 | Heavy metal wastewater treatment disinfectant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410045599.0A CN103803666A (en) | 2014-02-08 | 2014-02-08 | Heavy metal wastewater treatment disinfectant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103803666A true CN103803666A (en) | 2014-05-21 |
Family
ID=50701117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410045599.0A Pending CN103803666A (en) | 2014-02-08 | 2014-02-08 | Heavy metal wastewater treatment disinfectant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103803666A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106167304A (en) * | 2016-08-08 | 2016-11-30 | 孟祥娣 | A kind of heavy metal-polluted water treatment agent and processing method |
| CN106564977A (en) * | 2016-11-11 | 2017-04-19 | 广西新六合环保有限责任公司 | Industrial waste water treatment agent and preparation method therefor |
| CN108083411A (en) * | 2018-01-29 | 2018-05-29 | 安徽华晶微电子材料科技有限公司 | A kind of heavy metal containing wastewater treatment medicament |
| CN110921735A (en) * | 2019-11-29 | 2020-03-27 | 陕西速源节能科技有限公司 | Preparation method of environment-friendly water purifying agent |
| CN111039375A (en) * | 2019-12-23 | 2020-04-21 | 中冶京诚工程技术有限公司 | Flocculating agent for mine beneficiation wastewater treatment and preparation method and application thereof |
| CN111498973A (en) * | 2020-05-14 | 2020-08-07 | 北京中科康仑环境科技研究院有限公司 | Heavy metal wastewater treatment agent and treatment method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101357798A (en) * | 2007-07-31 | 2009-02-04 | 深圳市邦友通科技有限公司 | Heavy metal wastewater purificant |
-
2014
- 2014-02-08 CN CN201410045599.0A patent/CN103803666A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101357798A (en) * | 2007-07-31 | 2009-02-04 | 深圳市邦友通科技有限公司 | Heavy metal wastewater purificant |
Non-Patent Citations (1)
| Title |
|---|
| 张学洪等: "《工业废水处理工程实例》", 31 March 2009, 北京冶金工业出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106167304A (en) * | 2016-08-08 | 2016-11-30 | 孟祥娣 | A kind of heavy metal-polluted water treatment agent and processing method |
| CN106564977A (en) * | 2016-11-11 | 2017-04-19 | 广西新六合环保有限责任公司 | Industrial waste water treatment agent and preparation method therefor |
| CN108083411A (en) * | 2018-01-29 | 2018-05-29 | 安徽华晶微电子材料科技有限公司 | A kind of heavy metal containing wastewater treatment medicament |
| CN110921735A (en) * | 2019-11-29 | 2020-03-27 | 陕西速源节能科技有限公司 | Preparation method of environment-friendly water purifying agent |
| CN111039375A (en) * | 2019-12-23 | 2020-04-21 | 中冶京诚工程技术有限公司 | Flocculating agent for mine beneficiation wastewater treatment and preparation method and application thereof |
| CN111498973A (en) * | 2020-05-14 | 2020-08-07 | 北京中科康仑环境科技研究院有限公司 | Heavy metal wastewater treatment agent and treatment method thereof |
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Application publication date: 20140521 |